Rubber crosslinked product and vibration-proof member

Abstract

The rubber crosslinked product contains a rubber component containing one or more polymers of ethylene propylene diene rubber and ethylene butene diene rubber; polyethylene compatibilized with the rubber component; and a plurality of polyethylene terephthalate fibers having a diameter of 100 nm or more and 1000 nm or less and a length of 0.1 mm or more and 50 mm or less, in which a content of the polyethylene is 0.05 parts by mass or more and 5.0 parts by mass or less with respect to 100 parts by mass of the rubber component, and a total content of the plurality of polyethylene terephthalate fibers is 0.15 parts by mass or more and 5.0 parts by mass or less with respect to 100 parts by mass of the rubber component.

Dependencies are inferred from the claim text.